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9018608 Optical sensor for detecting liquid  
An optical liquid sensor utilizing a light source, fiber optic cables, a light detector and an irregular transparent surface is provided to detect the presence of liquid in mist and continuous...
8963095 Electrokinetic microfluidic flow cytometer apparatuses with differential resistive particle counting and optical sorting  
The present invention provides electrokinetic microfluidic cytometers useful for detecting and/or sorting fluid-borne particles. In some embodiments, the electrokinetic microfluidic flow cytometer...
8901502 Device for determining a parameter of a medium  
A device (1) is provided for determining at least one parameter of a medium which has a sensor device (2) and an electronic device (3). To provide such a device with a cooling system for at least...
8582106 Automatic optical measurement system and method  
An automatic optical measurement system (100) is provided. The measurement system (100) includes a sample vial (10) and an automatic optical measurement apparatus (90) configured to receive the...
8362435 Method of classifying microorganisms using UV irradiation and excitation fluorescence  
A method and device for detecting, differentiating from background and providing partial identification (i.e., classification) for biological particles found in aerosols or surface dust. The...
8262997 Micro-volumetric blood radioactivity counter  
A blood counting device comprises a capillary conduit for drawing from a subject in which a radiotracer has previously been injected a quantity of blood in the micro-liter range to produce in the...
8188438 Electrokinetic microfluidic flow cytometer apparatuses with differential resistive particle counting and optical sorting  
An electrokinetic microfluidic flow cytometer apparatus can include a substrate, a pair of signal and noise detection channels, and a particle detection circuit. The substrate includes an input...
8067756 Extreme ultraviolet light source apparatus  
In an extreme ultraviolet light source apparatus generating an extreme ultraviolet light from a plasma generated by irradiating a target, which is a droplet D of molten Sn, with a laser light, and...
8058621 Elemental composition detection system and method  
A system to detect a plurality of elements is proposed. The system includes one or more X-ray sources for transmitting X-rays towards a sample and also includes plurality of photon detectors. An...
7923692 Radioisotope Detection Device and Methods of Radioisotope Collection  
A device for collection of radionuclides includes a mixture of a polymer, a fluorescent organic scintillator and a chemical extractant. A radionuclide detector system includes a collection device...
7619222 Automatic radioactivity analyzer of mixed liquid beta emitter  
The present invention relates to an automatic radioactivity analyzer of mixed liquid beta emitter which comprises: a sample preparation part (1, 2, 3, 4, 5, 6, and 7) for extracting a liquid...
7605384 Apparatus for and method of preparing a small amount of a radioactive substance combination  
The invention relates to an apparatus for preparing a small amount of a radioactive substance combination, including a one-part body, a mixing device integrated in the body and adapted to receive...
7397036 Apparatus and method for measuring the signal from a fluorescing nanodrop contained by surface tension  
Apparatus and method for measuring the fluorescence of nanodrop liquid samples is described in which the sample is held by surface tension between two anvil surfaces. Each anvil surface has an...
7354553 Method and apparatus for detecting the presence of elemental mercury in a gas sample  
An improved elemental mercury analyzer utilizes a fluorescence assembly in combination with a fluorescence quenching reduction mechanism to detect the concentration of elemental mercury within an...
7206376 Fluid density measurement  
A wellbore tool for measuring the density of a fluid flowing in a wellbore by a photon attenuation technique includes a tube defining a flow path for the fluid, a photon source at one end of the...
6953937 Method and apparatus for the detection of neutrons and gamma rays  
A pulse discrimination method for discriminating between pulses having a short decay period and a long decay period, may comprise: Detecting the pulse; integrating a rise portion of the pulse;...
6855270 Nanoscintillation systems for aqueous-based liquid scintillation counting  
The present invention relates to the use of nanoscintillation systems, or nanoparticles containing fluor molecules, that can be used to detect an electron-emitting or alpha-particle-emitting...
6700125 Radioactive dust monitor  
A radioactive dust monitor comprising a dust collecting electrode serving also as a radiation detecting surface, an ionization line extending in air in a spaced relation with the dust collecting...
6674082 Monitoring emissions  
The method and apparatus provide a technique for monitoring radioactive source emissions by detecting photons arising from scintillation within the environment of the area or item under...
6492642 Method for identifying radionuclides in probes using a liquid scintillation sensor  
The invention relates to the field of radio-ecological monitoring, in particular to a method for measuring the content of radionuclides in components of the environment. The technical result is...
6303936 Extraction-scintillation medium and method of use  
An extraction-scintillation medium of substantially free-flowing, porous, solid particulate matter having one or more fluors retained within the particulate matter and an extraction agent adsorbed...
6229146 Position sensitive radioactivity detection for gas and liquid chromatography  
A method and apparatus are provided for the position sensitive detection of radioactivity in a fluid stream, particularly in the effluent fluid stream from a gas or liquid chromatographic...
6139749 Method for radioactive species analysis using a self-scintillating sheet material  
A method for separation, identification, and quantification of radioactive species in an environmental fluid, such as surface or ground water, by passing the fluid through a sheet article. The...
5952238 Method of assaying specimen substance by controlling dose of chemiluminescence  
A method for assay of an analyte by use of a material labeled with a chemiluminescent substance, which comprises adding a quencher and/or decreasing the specific activity of a chemiluminescent...
5952655 Ultra-high sensitivity radiation detection apparatus and method  
A method and apparatus are provided to concentrate and detect very low levels of radioactive noble gases from the atmosphere. More specifically the invention provides a method and apparatus to...
5856670 Continuous sample detector with multiple cells  
A continuous sample detector has a cell assembly with a spaced pair of sample cells. Each of these cells is mounted in a sample chamber and each is adapted to conduct a continuous sample flow....
5793046 Active cladding scintillating-fiber radiation detector  
A scintillating optical fiber sensitive to low energy radiation has a clear, solid, elongated core with a thin cladding layer surrounding substantially all of the core along substantially all the...
5783828 Apparatus and method for tritium measurement by gas scintillation  
The present invention relates to an apparatus and a method for measuring tritium specific activity by gas scintillation. The specific activity is measured when the tritium is mixed in carrier...
5726452 Cell for the analysis of radioactive liquids by an overhanging detector  
Cell, whose interior (3) is filled with liquid, whose radioactivity is measured by a scintillator or other detector install thereon. The invention consists of equipping the cell with rinsing means...
5559324 Continuous sample detector with standard  
A continuous sample detector includes a sample chamber, a cell body and one or more standard sources of radiation. Mounted in the sample chamber, the cell body has a cell, a coil of transparent...
5483070 Scintillation counter  
A scintillation measurement system for measuring optical events produced by scintillators in response to the radioactive decay of a constituent or constituents of a sample to be measured comprises...
5449921 Method and apparatus for determining β-ray emitters  
A method and apparatus for determining β-ray emitters to determine radioactivity of tritium with a high sensitivity and without contamination of a radiation recording plate with radioactivity,...
5416329 Apparatus for counting liquid scintillation samples  
A device for counting liquid scintillation samples which can count a single sample or several samples simultaneously. A transport system moves samples from a storage section to a counting section....
5412216 Method and apparatus for identifying a radionuclide in a liquid scintillation sample  
Methods and apparatus are provided for identifying a radionuclide in a liquid sample containing at least one unknown radionuclide, in which specific properties which are essentially linear over...
5410155 Scintillation counting medium and process  
A liquid scintillation medium for homogeneous flow systems which comprises solvent, fluor and optionally surfactant, wherein the solvent comprises benzyltoluene. The solvent may comprise the...
5367170 Method for measuring samples with liquid scintillation counting and a counter  
A method and a liquid scintillation counter for measuring a sample, a mixture of the specimen to be analysed and a scintillator, in a liquid scintillation counter where the sample (14) is measured...
5357114 Method for use in liquid scintillation counting for detecting, recording and analyzing scintillation phenomena  
A method for use in liquid scintillation counting for detecting, recording and analyzing scintillation phenomena due to ionizing radiation in a device having a measuring chamber into which the...
5354996 Metal ion monitoring system  
A metal ion detection and quantification system in which the displacement of a radioactive isotope from a material that binds both the metal ion of interest and the radioactive isotope. The...
5329123 Method and a device for preventing optical crosstalk between liquid scintillation samples deposited on transculcent sample plates  
An invention for preventing optical crosstalk in a process of counting liquid scintillation samples deposited in a sample plate, the sample plate composed of a plurality of sample wells, the...
5324943 Method for scintillation counting and a scintillation counter with adjustable coincidence resolving time  
A method for scintillation counting and a scintillation counter exploiting a coincidence technique, in which the coincidence resolving time is flexible and can be automatically adjusted to fit the...
5319436 Microplate farming wells with transparent bottom walls for assays using light measurements  
A microplate forms a multiplicity of sample wells for holding samples to be assayed by light emissions or light transmission. The plate comprises an upper plate forming the side walls of the...
5313064 Solid-liquid reversible scintillator and method of using the same  
The present invention is a scintillator which emits light in response to radiation. The scintillator is capable of being reversibly changed between solid and liquid phases, whichever is desired,...
5298753 Arrangement for counting liquid scintillation samples on bottom-window multi-well sample plates  
An arrangement for counting liquid scintillation samples on bottom-window multi-well sample plates in a liquid scintillation counter. The sample plates include a plurality of samples wells having...
5294795 Arrangement for counting liquid scintillation samples on multi-well filtration plates  
An arrangement for counting liquid scintillation samples on a sample plate in a liquid scintillation counter having at least one photomultiplier tube. The sample plate contains a plurality of...
5290513 Radiation measuring device, particularly for luminescence measurements  
A radiation measuring apparatus for performing measurements on samples contained in a plurality of sample containers disposed in the form of a matrix on a holder plate, the apparatus including a...
5278415 Method of producing standardization samples for liquid scintillation counting quench curve and a foil  
A method for producing standardization samples (11, 21) for obtaining the quench curve which describes the relationship between the counting efficiency and the amount of the quench of the sample...
5276332 Apparatus for measuring the α activity of a solution  
Apparatus for measuring the α activity of a solution and used for determining the plutonium concentration of a solution sampled from an irradiated nuclear fuel reprocessing installation and which...
5268301 Method for filtration assaying of isotope-labelled particulate samples  
A method for filtration assaying a particulate sample labelled with low-energy radioactive isotopes measurable by scintillation counting. The method aspect of the invention includes the step of...
5266808 Particle detector and method using a helical array of scintillators  
A method and apparatus for detecting the line of flight, point of entry and angle of entry of an energetic, ionizing particle uses a helical array of scintillating optical fibers.
5235190 Continuous air monitoring system  
A continuous air monitor is provided with the capabilities of monitoring certain transuranic and other airborne radioactive particulate with high accuracy and low false alarm rates in the presence...

Matches 1 - 50 out of 215 1 2 3 4 5 >